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Lining of passageways
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Patent number 5,409,561
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Issue date Apr 25, 1995
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Insituform (Netherlands) BV
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Eric Wood
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lining of pipelines or passageways
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Patent number 5,393,481
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Issue date Feb 28, 1995
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Insituform (Netherlands) BV
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Eric Wood
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Passageway lining material
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Patent number 4,836,715
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Issue date Jun 6, 1989
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Insituform International N.V.
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Eric Wood
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of lining a passageway
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Patent number 4,786,345
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Issue date Nov 22, 1988
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Instituform Licencees B.V.
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Eric Wood
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lining of passageways
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Patent number 4,758,454
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Issue date Jul 19, 1988
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Insituform Group Ltd
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Eric Wood
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Relating to cutters
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Patent number 4,701,988
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Issue date Oct 27, 1987
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Insituform International N.V.
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Eric Wood
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Lining of pipelines or passageways
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Patent number 4,680,066
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Issue date Jul 14, 1987
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Insituform Group Limited
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lining of pipelines and passageways
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Patent number 4,637,754
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Issue date Jan 20, 1987
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Insituform Holdings Limited
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lining of pipelines and passageways
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Patent number 4,622,196
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Issue date Nov 11, 1986
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Insituform Holdings Limited
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lining of pipelines and passageways
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Patent number 4,581,247
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Issue date Apr 8, 1986
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Insituform International N.V.
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lining of pipelines or passageways
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Patent number 4,581,085
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Issue date Apr 8, 1986
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Insituform International N.V.
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Energy generating device
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Patent number 4,448,020
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Issue date May 15, 1984
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Sea Energy Associates Ltd.
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Eric Wood
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Manufacture of tubular laminates
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Patent number 4,446,181
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Issue date May 1, 1984
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Insituform International Inc.
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Cutters
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Patent number 4,442,891
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Issue date Apr 17, 1984
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Insituform International N.V.
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Eric Wood
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E03 - WATER SUPPLY SEWERAGE
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Formation of a lining in pipelines
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Patent number 4,439,469
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Issue date Mar 27, 1984
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Insituform International N.V.
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Eric Wood
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lining of pipelines and passageways
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Patent number 4,401,696
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Issue date Aug 30, 1983
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Insituform International, Inc.
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Eric Wood
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...